Home / 15,929.40-23,898.90-11,321.40

Finding the Fourth Proportional to 15,929.40, 23,898.90 and 11,321.40

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Solution

The fourth proportional to 15,929.40, 23,898.90 and 11,321.40 is: 16,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.40 : 23,898.90 = 11,321.40 : x
  2. Step 2: Convert to fraction form
    15,929.40/23,898.90 = 11,321.40/x
  3. Step 3: Cross multiply
    15,929.40x = 23,898.90 × 11,321.40
  4. Step 4: Simplify right side
    15,929.40x = 270,569,006.46
  5. Step 5: Solve for x
    x = 270,569,006.46/15,929.40
  6. Step 6: Final answer
    x = 16,985.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.